It depends on your speed. If you are driving at a brisk pace of 100 MPH, it would take you 10 hours; if traveling at half the speed (50 MPH) it would take you twice as long. (20 hours).
Cars over 10 years old can still be reliable. Most vehicles can last well over a decade with proper care and maintenance. In fact, the average car on U.S. roads is now 12.5 years old, according to a study from S&P Global Mobility. Furthermore, a car doesn't really stop depreciating until it hits that 10-year mark.